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BBC
1 年
The human gas exchange system
Aerobic respiration needs oxygen, and it produces carbon dioxide as a waste product. The human respiratory system contains the organs that allow us to get the oxygen we need and to remove the ...
BBC
3 个月
Animal gas exchange systems - biology quiz
the human gas exchange system, and breathing. If you struggled with the quiz, don't panic - we've got you! You can revise by clicking the links below.
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